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  1. Há 17 horas · List of vertebrate fauna of the Maastrichtian stage. This is an incomplete list that briefly describes vertebrates that were extant during the Maastrichtian, a stage of the Late Cretaceous Period which extended from 72.1 to 66 million years before present. This was the last time period in which non-avian dinosaurs, pterosaurs, plesiosaurs, and ...

  2. Há 17 horas · For the Lieutenant-Colonel, see Thomas Huxley (British Army officer). Thomas Henry Huxley PC FRS HonFRSE FLS (4 May 1825 – 29 June 1895) was an English biologist and anthropologist who specialized in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin 's theory of evolution.

  3. 26 de abr. de 2024 · Food webs play important roles in hypotheses on Pleistocene vertebrate evolution, such as megafauna evolution, insular dwarfism and gigantism, and Late Pleistocene extinctions. Yet, food webs reconstructions of Australasian Pleistocene fauna have been hindered by the lack of suitable trophic level proxies.

  4. Há 17 horas · Once widespread across western Australia, the quokka is found today on only a handful of islands and concentrated in clusters in the continent’s dense southwest forests. Experts estimate that less than 15,000 quokkas remain in the wild today, making them a vulnerable species. “They're getting hit by all sides,” says DeSantis.

  5. Há 17 horas · t. e. The Yixian Formation ( simplified Chinese: 义县组; traditional Chinese: 義縣組; pinyin: Yìxiàn zǔ) is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans about 1.6 million years during the early Cretaceous period ( Barremian - Aptian stage). It is known for its fossils, listed below.

  6. Há 4 horas · Paleontologists have discovered giant tortoise fossils in Colombia dating back some 57 million years, the university leading the excavation said, with the findings key to understanding South ...

  7. Há 17 horas · Listen. 25th Apri l 2024 – (Beijing) China has successfully launched the Shenzhou-18 manned spacecraft, propelling three taikonauts towards the Tiangong space station for an extended six-month mission. The launch took place at the Jiuquan Satellite Launch Centre in northwest China, with the spacecraft carried by the reliable Long March-2F rocket.